/Engine/Plugins/Runtime/DataRegistry/Source/DataRegistry/Public/DataRegistrySubsystem.h
Attempt to register a specified asset with all active sources that allow dynamic registration, returning true if anything changed. This will fail if the registry does not exist yet.
bool RegisterSpecificAsset ( [FDataRegistryType](API\Plugins\DataRegistry\FDataRegistryType) RegistryType, [FAssetData](API\Runtime\CoreUObject\AssetRegistry\FAssetData) & AssetData, int32 AssetPriority )